1 files changed, 9 insertions, 2 deletions

diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 83768e9cf296..41427a41f620 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -316,13 +316,20 @@ static int __init acpi_rtc_init(void)
                 rtc_info.wake_on = rtc_wake_on;
                 rtc_info.wake_off = rtc_wake_off;
 
+                /* workaround bug in some ACPI tables */
+                if (acpi_gbl_FADT.month_alarm && !acpi_gbl_FADT.day_alarm) {
+                        DBG("bogus FADT month_alarm\n");
+                        acpi_gbl_FADT.month_alarm = 0;
+                }
+
                 rtc_info.rtc_day_alarm = acpi_gbl_FADT.day_alarm;
                 rtc_info.rtc_mon_alarm = acpi_gbl_FADT.month_alarm;
                 rtc_info.rtc_century = acpi_gbl_FADT.century;
 
                 /* NOTE:  S4_RTC_WAKE is NOT currently useful to Linux */
                 if (acpi_gbl_FADT.flags & ACPI_FADT_S4_RTC_WAKE)
-                        printk("ACPI: RTC can wake from S4\n");
+                        printk(PREFIX "RTC can wake from S4\n");
+
 
                 dev->platform_data = &rtc_info;
 
@@ -331,7 +338,7 @@ static int __init acpi_rtc_init(void)
 
                 put_device(dev);
         } else
-                pr_debug("ACPI: RTC unavailable?\n");
+                DBG("RTC unavailable?\n");
         return 0;
 }
 /* do this between RTC subsys_initcall() and rtc_cmos driver_initcall() */